Chameleon Labs 581 500-Series Microphone Preamplifier


500 Series Discrete Class "AB" Microphone Preamplifier (pictured with optional IMOD Upgrade, not included in base price, see below)

Manufacturer Description:

The 581 is a 500 series, discrete, Class ‘AB’ mic preamp module with an extraordinary sonic signature never before obtained at this price level. Its clarity and incredibly solid low end is reminiscent of renowned classic designs. Rich, warm, and musical, the 581 provides detailed results.

Model 581 Features

  • Discrete Class AB Circuit
  • API® 500 series compatible card
  • Powered by CPS-501 Powered Chassis or any 500 series compatible power supply 
  • Fully balanced transformer mic input which can be upgraded to a vintage style Carnhill® unit
  • Transformer balanced output
  • 300 Ohms or 1.2K Ohms mic input selector
  • 48VDC phantom power selector
  • Hi-Z Direct Input for instruments on the front panel
  • Output level control functions as a fader when going straight to D.A.W. or tape
  • LED illuminated push buttons for visual confirmation
  • LED Metering (Power, Signal, +4dB, Peak)
  • One year warranty

Year Condition
Call Brand New


Sound Pure
Durham, NC
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10am-6pm EST Monday-Friday and 11am-5pm Saturday